CN110259852B - Floating brake for in-wheel motor - Google Patents
Floating brake for in-wheel motor Download PDFInfo
- Publication number
- CN110259852B CN110259852B CN201910521013.6A CN201910521013A CN110259852B CN 110259852 B CN110259852 B CN 110259852B CN 201910521013 A CN201910521013 A CN 201910521013A CN 110259852 B CN110259852 B CN 110259852B
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- friction block
- bracket
- guide pin
- clamp body
- inner friction
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- 238000000034 method Methods 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 18
- 239000000428 dust Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 9
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000006185 dispersion Substances 0.000 abstract description 2
- 210000000078 claw Anatomy 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
- F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
- F16D55/225—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
- F16D55/226—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
- F16D65/095—Pivots or supporting members therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/14—Mechanical
- F16D2121/16—Mechanical for releasing a normally applied brake
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to the field of wheel hub motor brakes and discloses a floating brake for a wheel hub motor, which comprises a bracket, a clamp body, a piston, a guide pin, an inner friction block and an outer friction block, wherein the clamp body is of an integrated structure, the bracket comprises a fixing part and an assembling part, the guide pin is movably inserted into the clamp body and is fixed on the bracket, and the sliding direction of the inner friction block and the sliding direction of the guide pin are parallel to the axis of the guide pin during braking. The whole support is "people" style of calligraphy, and the number of fixed part is two, and assembly portion and the one end fixed connection of two fixed parts, assembly portion and two fixed parts constitute "people" style of calligraphy support. The brake provided by the invention has the advantages of simple structure, convenience in disassembly and good heat dissipation. The support adopts integral type structure at first, and installation, dismantlement and maintenance are all very convenient, and the compact structure is small and exquisite simultaneously, simple process, the heat dispersion is good. The clamp body is also of an integrated structure, so that the installation bolts are omitted, the process is simplified, and the cost is low.
Description
Technical Field
The invention relates to the field of brakes, in particular to a floating brake for an in-wheel motor.
Background
The hub motor is used as a novel automobile power unit, and the driving force is directly acted on wheels. The speed reducer, the transmission shaft, the differential mechanism and other parts are omitted, the automobile structure is simplified, the energy transmission efficiency is improved, and the speed reducer, the transmission shaft and the differential mechanism are one of the important development directions in the field of new energy automobiles. Then, the integrated hub motor driving wheel brings new requirements to the brake, and compared with the traditional brake wheel, the hub motor has small volume and compact structure, and the brake has smaller arrangement space; in addition, the hub motor is generally of an outer rotor structure, the hub of the hub motor is used as a rotating part, and the brake can only be arranged at the edge of the hub, so that new challenges are presented to the installation, the disassembly and the maintenance of the brake.
Patent number 201810473529 discloses a bracket break-off type fixed guide pin analysis brake. The structural support is disconnected, and the support is composed of three parts: support, upper connecting rod, lower connecting rod. The installation components are more, the process is complex, the inconvenience is brought to the installation, the disassembly and the maintenance of the bracket, and the cost is higher; in addition, the outer contour surface of the bracket is larger, so that the heat dissipation air duct of the brake friction block and the brake disc is blocked to a certain extent. Meanwhile, the clamp body is of a split structure, the middle of the clamp body is connected through bolts, the process is complex, and the clamp body is also characterized by complex process and inconvenient installation.
Disclosure of Invention
The invention provides a floating brake for an in-wheel motor according to the defects that the existing brake is complex in structure, inconvenient to assemble, complex in process, incapable of adapting to the existing in-wheel motor and the like.
In order to solve the technical problems, the invention is solved by the following technical scheme:
floating brake for an in-wheel motor, comprising
The bracket is used for being fixedly arranged on the vehicle and is a fixing piece;
the pliers body is internally provided with a cylinder body which is a movable piece;
The piston is arranged in the cylinder body of the caliper body in a clearance fit manner, and can axially move along the cylinder body under the drive of hydraulic pressure during braking;
The guide pin is used for movably connecting the bracket and the clamp body together, and the clamp body moves along the axial direction of the guide pin in the direction opposite to the movement of the piston in the braking process;
The inner friction block is arranged in a braking area formed by the caliper body and the bracket, is in sliding connection with the bracket, and is pushed by the piston to slide towards the brake disc until being attached to the brake disc during braking;
The outer friction block is arranged in a braking area formed by the clamp body and the bracket and moves synchronously with the clamp body; during braking, the caliper body drives the outer friction block to synchronously move so that the outer friction block is attached to the brake disc; the pliers body is of an integrated structure, the support comprises a fixing part and an assembling part, the guide pin is movably inserted into the pliers body and fixed on the support, and during braking, the sliding direction of the inner friction block is parallel to the axis of the guide pin. The pliers body and the bracket with the structure are compact in assembly, fewer in used connecting parts, very convenient to install, disassemble and maintain, small and compact in structure, simple in process and good in heat dissipation. The clamp body is also of an integrated structure, so that the installation bolts are omitted, the process is simplified, and the cost is low.
Preferably, the bracket is in a herringbone shape as a whole, the number of the fixing parts is two, the assembling parts are fixedly connected with one ends of the two fixing parts, and the assembling parts and the two fixing parts form the herringbone bracket. The Y-shaped support enables the support to be of a triangular structure, so that the mounting strength of the support is guaranteed, the support of the structure is equivalent to a hollow structure, the weight is light, the ventilation is good, and the mounting is convenient.
Preferably, the bracket is an integrally formed structure.
Preferably, the pliers body is provided with an assembly port matched with the assembly part, and the assembly part is inserted into the assembly port. The brake has the advantages that the assembling part of the bracket is arranged in the caliper body, so that the whole brake is more compact in structure, and the brake is quite practical for the hub motor.
Preferably, the assembly port is of an open gear structure, a jack is formed in one end of the clamp body, located in the inner friction block, the jack is communicated with the assembly port, and the guide pin penetrates through the jack and is fixed to the assembly part located in the assembly port. The gear opening structure can ensure that the assembly part can not interfere with the clamp body in the moving process of the clamp body, and ensure that the whole braking process is stable and reliable; and the friction block is convenient to mount and dismount.
Preferably, a chute is formed in the end face, close to the inner friction block, of the assembly part, and the inner friction block is clamped in the chute and can slide along the chute.
Preferably, the support frame is provided inside the mounting portion, and the cross section of the support frame is "L" or "U" shaped. The support skeleton of L type or U type can guarantee the support strength of sealing member.
Preferably, the cross section of the chute is "T" shaped, the inner friction block and/or comprises a sliding portion matching the cross section of the chute. The matching structure can accurately and rapidly transmit braking force to the bracket. The bracket plays a stable supporting role.
Preferably, the device also comprises a return spring, wherein the return spring is connected to the inner friction block, one end of the return spring is connected to the inner friction block, and the other end of the return spring is connected to the outer friction block; the middle part of the return spring is bent to form a clamping part, and the clamping part is clamped on the side wall of the clamp body. The return spring can reduce drag torque of the brake to the friction block after braking is completed.
Preferably, the guide pin is sleeved with a rubber bushing and a dust cover, so that the dust-proof function can be achieved. The slide way surrounded by the spring piece is clamped in the slide way, the cross section shape of the slide way is matched with that of the slide way, the slide way is inserted in the slide way and is equal to the slide way in length, the inner friction block and the outer friction block are in sliding connection with the spring piece, and the spring piece clamps the inner friction block and the outer friction block under the action of self elastic force. The slide way limits the sliding parts of the inner friction block and the outer friction block, so that position deviation is prevented, braking safety is guaranteed, and the service life of the friction plate is prolonged.
Preferably, the inner friction block and the outer friction block comprise a back plate and a friction plate, the cross section of the friction plate is an arc surface, and the arc surface is concave towards one side of the bracket.
The invention has the remarkable technical effects due to the adoption of the technical scheme:
the brake provided by the invention has the advantages of simple structure, convenience in disassembly and good heat dissipation. The support adopts integral type structure at first, and installation, dismantlement and maintenance are all very convenient, and the compact structure is small and exquisite simultaneously, simple process, the heat dispersion is good. The clamp body is also of an integrated structure, so that the installation bolts are omitted, the process is simplified, and the cost is low.
Drawings
Fig. 1 is a schematic view of an assembly of a brake and a brake disc.
Fig. 2 is a schematic structural view of the brake.
Fig. 3 is a partial enlarged view of fig. 2.
Fig. 4 is a rear view of fig. 2.
Fig. 5 is a left side view of fig. 2.
Fig. 6 is a cross-sectional view from the A-A perspective of fig. 5.
Fig. 7 is a cross-sectional view of fig. 5B-B.
Fig. 8 is a schematic view of the structure of the caliper body.
Fig. 9 is a schematic structural view of the outer friction block.
Fig. 10 is a schematic structural view of the stent.
The technical names corresponding to the reference numerals in the drawings are: 1-bracket, 2-clamp body, 3-cylinder body, 4-piston, 5-guide pin, 6-inner friction block, 7-outer friction block, 8-braking area, 9-brake disc, 10-fixing part, 12-assembling part, 13-assembling opening, 14-sliding groove, 15-sliding part, 16-return spring, 17-clamping part, 18-rubber bushing, 19-dust cover, 20-back plate, 21-friction plate, 22-mounting hole, 23-clamp claw, 24-threaded hole and 25-ear seat.
Detailed Description
Example 1
As shown in fig. 1 to 10, a floating brake for an in-wheel motor includes a bracket 1, the bracket 1 being for fixed mounting on a vehicle, being a fixing member; the pliers body 2, the pliers body 2 is internally provided with a cylinder body 3 which is a movable piece; the piston 4 is arranged in the cylinder body 3 of the caliper body 2 in a clearance fit manner, and is driven by hydraulic pressure to axially move along the cylinder body 3 during braking; the guide pin 5 is used for movably connecting the bracket 1 and the clamp body 2 together, and in the braking process, the clamp body 2 moves along the axial direction of the guide pin 5 in the direction opposite to the movement of the piston 4; the inner friction block 6 is arranged in a braking area 8 formed by the caliper body 2 and the bracket 1, the inner friction block 6 is in sliding connection with the bracket 1, and is pushed by the piston 4 to slide towards the brake disc 9 until being attached to the brake disc 9 during braking; the outer friction block 7 is arranged in a braking area 8 formed by the clamp body 2 and the bracket 1, and moves synchronously with the clamp body 2; during braking, the caliper body 2 drives the outer friction blocks 7 to synchronously move so that the outer friction blocks 7 are attached to the brake disc 9; the clamp body 2 is of an integrated structure, the bracket 1 comprises a fixing part 10 and an assembling part 12, the guide pin 5 is movably inserted into the clamp body 2 and fixed on the bracket 1, and during braking, the sliding direction of the inner friction block 6 is parallel to the axis of the guide pin 5.
The inner friction block 6 and the outer friction block 7 are distributed on two sides of the brake disc 9, the caliper body 2 in the embodiment is of an integrated structure, the support 1 comprises a fixing part 10 and an assembling part 12, the guide pin 5 is movably inserted into the caliper body 2 and fixed on the support 1, and during braking, the sliding direction of the inner friction block 6 and the sliding direction of the guide pin 5 are parallel to the axis of the guide pin 5, that is to say, during braking, the caliper body 2 and the inner friction block 6 slide relatively, so that the inner friction block 6 and the outer friction block 7 slide towards the brake disc 9.
The whole support 1 is "people" style of calligraphy, and the number of fixed part 10 is two, and assembly portion 12 and the one end fixed connection of two fixed parts 10, and assembly portion 12 and two fixed parts 10 constitute "people" style of calligraphy support 1, and fixed part 10 is two shaft-like pieces, and mounting hole 22 has been seted up to the member tip, and this mounting hole 22 is used for fixing support 1 on the automobile body, and assembly portion 12 integrated into one piece is at the crossing end of two fixed parts 10, is the circular arc transition between assembly portion 12 and the fixed part 10.
The pliers body 2 is provided with an assembling port 13 matched with the assembling part 12, and the assembling part 12 is inserted into the assembling port 13. The shape of the assembly part 12 is matched with that of the assembly opening 13, the assembly opening 13 is in an open gear structure, a jack 28 is formed in one end of the clamp body 2, which is positioned on the inner friction block 6, the jack is communicated with the assembly opening 13, and the guide pin 5 passes through the jack 28 and is fixed on the assembly part 12 positioned in the assembly opening 13. Because the assembly port 13 is of a gear opening structure, two L-shaped clamp claws 23 are formed on two sides of the assembly port 13, the outer friction blocks 7 are supported on the clamp claws 23, the clamp body 2 comprises a cylinder body 3, a piston 4 in the cylinder body 3 is used for pushing the inner friction blocks 6 to slide, the cylinder body 3, the assembly part 12 and the clamp claws 23 enclose a braking area 8, the cross section of the braking area 8 is in a C shape, the inner friction plates 21 are arranged at the lower ends of the piston 4, and the piston 4 pushes the inner friction plates 21 to slide during braking. In this embodiment, the outer end surface of the end portion of the guide pin 5 is provided with external threads, the assembly portion 12 is provided with a threaded hole 24 matched with the guide pin 5, and the guide pin 5 is in threaded fit with the threaded hole 24, so that the guide pin 5 is fixedly connected with the assembly portion 12 and the bracket 1. The bracket 1 and the guide pin 5 may be connected by welding, riveting, or other connection methods.
The end face of the assembly part 12, which is close to the inner friction block 6, is provided with a chute 14, and the inner friction block 6 is clamped in the chute 14 and can slide along the chute 14; the whole shape of the assembly part 12 is cuboid, the chute 14 is formed in the end face of the assembly part 12 surrounding the braking zone 8, and the chute 14 penetrates through the upper end face and the lower end face of the assembly part 12, so that the inner friction block 6 can be conveniently installed and detached. In order to ensure the strength and stability of the fit, the cross section of the chute 14 is of a T shape, the inner friction block 6 comprises a sliding part 15 matched with the cross section of the chute 14, the inner friction block 6 and the outer friction block 7 both comprise a back plate 20 and a friction plate 21, the cross section of the friction plate 21 is an arc surface, and the arc surface is concave towards one side of the bracket 1. The sliding part 15 is integrally formed in the middle of the back plate 20 of the inner friction block 6, and the sliding part 15 is of a T-shaped structure. In this embodiment, the inner friction block 6 and the outer friction block 7 have the same structure, and the middle part of the back plate 20 of the outer friction block 7 is also provided with a sliding part 15 of a T shape, and the sliding part 15 is installed in the chute 14.
The device also comprises a return spring 16, wherein the return spring 16 is connected to the inner friction block 6, one end of the return spring 16 is connected to the inner friction block 6, and the other end of the return spring 16 is connected to the outer friction block 7; the middle part of return spring 16 is buckled and is formed joint portion 17, and joint portion 17 card is established on the lateral wall of the pincers body 2, is provided with the mating hole 27 that is used for the grafting of worker return spring 16 on interior friction plate 6 and the outer friction plate 7, and return spring 16 wholly is "nearly" style of calligraphy, and return spring 16 is located between interior friction plate 6 and the outer friction plate 7, and the mating hole 27 of interior friction plate 6 and outer friction plate 7 is pegged graft at the both ends of return spring 16. The return spring 16 is positioned at one end of the inner friction block 6 and one end of the outer friction block 7, and the clamp body 2 is provided with an ear seat 26 for clamping the clamping part 17 of the return spring 16.
In order to ensure that sundries cannot be accumulated at the position where the clamp body 2 is matched with the guide pin 5 in the sliding process of the clamp body 2, the guide pin 5 is sleeved with a rubber bushing 18 and a dust cover 19.
The working process of the brake of the embodiment is as follows: when braking is needed, the brake signal control oil way presses hydraulic oil into the cylinder body 3, the oil pressure pushes the piston 4 to extrude the inner friction block 6 to move towards the brake disc 9, when the inner friction block 6 is extruded onto the brake disc 9, the piston 4 encounters resistance of the brake disc 9 and does not move any more, at the moment, the caliper body 2 generates axial relative movement, the caliper body 2 axially slides along the guide pin 5 to drive the outer friction block arranged on the caliper body 2 to move towards the brake disc 9, so that the inner friction block 6 and the outer friction block 7 clamp the friction disc to generate braking moment, the inner friction block 6 and the outer friction block 7 extrude the return spring 16 in the sliding process, so that the return spring 16 accumulates certain elastic potential energy, after hydraulic pressure is removed, the return spring 16 can ensure that the inner friction block 6 and the outer friction block 7 quickly return to an initial position, dragging torque is reduced, and loss of the friction plate 21 is reduced, so that braking and braking withdrawal response is quick.
Example 2
As shown in fig. 1 to 10, the present embodiment provides a floating brake for an in-wheel motor, which is different from embodiment 1 in that the guide pins 5 are cylindrical, and the number of the guide pins 5 is 2 and arranged in parallel.
Example 3
As shown in fig. 1 to 10, the present embodiment provides a floating brake for an in-wheel motor, which is different from embodiment 2 in that the number of return springs 16 is two, and is distributed on both sides of the inner friction block 6 and the outer friction block 7.
Example 4
As shown in fig. 1 to 10, this embodiment provides a floating brake for an in-wheel motor, which is different from embodiment 1 in that a slide way 31 surrounded by a spring piece 30 is clamped in a slide groove 14, the cross-sectional shape of the slide way 31 is matched with that of the slide groove 14, the slide way 31 is inserted in the slide groove 14 to be equal in length with the slide groove 14, an inner friction block 6 and an outer friction block 7 are slidably connected with the spring piece 30, and the spring piece 30 clamps the inner friction block 6 and the outer friction block 7 under the action of self elastic force. The slide way 31 limits the sliding parts 15 of the inner friction block 6 and the outer friction block 7, thereby preventing the position deviation, ensuring the braking safety and prolonging the service life of the friction plate.
In summary, the foregoing description is only of the preferred embodiments of the present invention, and all equivalent changes and modifications made in accordance with the claims should be construed to fall within the scope of the invention.
Claims (5)
1. Floating brake for an in-wheel motor, comprising
The bracket (1) is used for being fixedly arranged on a vehicle and is a fixing piece;
the clamp body (2), the clamp body (2) comprises a cylinder body (3) which is a movable piece;
The piston (4) is arranged in the cylinder body (3) in a clearance fit manner, and is driven by hydraulic pressure to axially move along the cylinder body (3) during braking;
The guide pin (5) is used for movably connecting the bracket (1) and the clamp body (2), and in the braking process, the clamp body (2) moves along the axial direction of the guide pin (5) in the direction opposite to the movement of the piston (4);
The inner friction block (6) is arranged in a braking area (8) formed by the caliper body (2) and the bracket (1), the inner friction block (6) is in sliding connection with the bracket (1), and is pushed by the piston (4) to slide towards the brake disc (9) until being attached to the brake disc (9) during braking;
The outer friction block (7), the outer friction block (7) is set up in braking area (8) formed by body (2) and support (1) of pincers, move with body (2) synchrony; during braking, the caliper body (2) drives the outer friction block (7) to synchronously move so that the outer friction block (7) is attached to the brake disc (9);
The clamp body (2) is of an integrated structure, the bracket (1) comprises a fixing part (10) and an assembling part (12), the guide pin (5) is movably inserted into the clamp body (2) and fixed on the bracket (1), and the sliding direction of the inner friction block (6) is parallel to the axis of the guide pin (5) during braking;
The pliers body (2) is provided with an assembly port (13) matched with the assembly part (12), and the assembly part (12) is inserted into the assembly port (13);
The assembly port (13) is of an open gear structure, a jack (28) is formed in one end of the clamp body (2) positioned on the inner friction block (6), the jack (28) is communicated with the assembly port (13), and the guide pin (5) penetrates through the jack (28) to be fixed on the assembly part (12) positioned in the assembly port (13); the end face of the assembly part (12) close to the inner friction block (6) is provided with a chute (14), and the inner friction block (6) is clamped in the chute (14) and can slide along the chute (14); the bracket (1) is in a herringbone shape as a whole, the number of the fixing parts (10) is two, the assembling parts (12) are fixedly connected with one ends of the two fixing parts (10), and the assembling parts (12) and the two fixing parts (10) form the herringbone bracket (1); the bracket (1) is of an integrated structure.
2. The floating brake for an in-wheel motor of claim 1, wherein: the section of the sliding groove (14) is T-shaped, and the inner friction block (6) and/or the outer friction block (7) comprise sliding parts (15) matched with the section of the sliding groove (14).
3. The floating brake for an in-wheel motor of claim 1, wherein: the device also comprises a return spring (16), wherein the return spring (16) is connected to the inner friction block (6), one end of the return spring (16) is connected to the inner friction block (6), and the other end of the return spring (16) is connected to the outer friction block (7); the middle part of the return spring (16) is bent to form a clamping part (17), and the clamping part (17) is clamped on the side wall (25) of the clamp body (2).
4. The floating brake for an in-wheel motor of claim 1, wherein: the guide pin (5) is sleeved with a rubber bushing (18) and a dust cover (19), a slide way (31) surrounded by a spring piece (30) is clamped in the slide groove (14), the cross section of the slide way (31) is matched with that of the slide groove (14), the slide way (31) is inserted in the slide groove (14) to be equal in length with the slide groove (14), the inner friction block (6) and/or the outer friction block (7) are in sliding connection with the spring piece (30), and the spring piece (30) clamps the inner friction block (6) and/or the outer friction block (7) under the action of self elastic force.
5. The floating brake for an in-wheel motor of claim 1, wherein: the inner friction block (6) and the outer friction block (7) comprise a back plate (20) and friction plates (21), the cross section of each friction plate (21) is an arc surface, and the arc surface is concave towards one side of the assembling part (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910521013.6A CN110259852B (en) | 2019-06-17 | 2019-06-17 | Floating brake for in-wheel motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910521013.6A CN110259852B (en) | 2019-06-17 | 2019-06-17 | Floating brake for in-wheel motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110259852A CN110259852A (en) | 2019-09-20 |
| CN110259852B true CN110259852B (en) | 2024-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910521013.6A Active CN110259852B (en) | 2019-06-17 | 2019-06-17 | Floating brake for in-wheel motor |
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| CN (1) | CN110259852B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915260B (en) * | 2021-09-30 | 2023-07-28 | 浙江万安科技股份有限公司 | Brake device |
| CN114607718A (en) * | 2022-03-04 | 2022-06-10 | 艾德斯汽车电机无锡有限公司 | External disc brake structure |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210440493U (en) * | 2019-06-17 | 2020-05-01 | 浙江万安科技股份有限公司 | Floating brake for hub motor |
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| WO2001059316A1 (en) * | 2000-02-07 | 2001-08-16 | Pbr Australia Pty Ltd | Disc brake assembly |
| JP2007232065A (en) * | 2006-02-28 | 2007-09-13 | Hitachi Ltd | Disc brake and spacer used therefor |
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| JP2010101408A (en) * | 2008-10-23 | 2010-05-06 | Nissin Kogyo Co Ltd | Caliper body for vehicular disc brake |
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|---|---|
| CN110259852A (en) | 2019-09-20 |
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